//
//  Subject.h
//  LearnObjectiveC
//
//  Created by client on 2017/9/8.
//  Copyright © 2017年 吴可高. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "Visitor.h"
@interface Subject : NSObject

-(void)accept:(Visitor*)visitor;

-(NSString*)getSubject;

@end
